diff options
Diffstat (limited to 'drivers/usb/net/rtl8150.c')
| -rw-r--r-- | drivers/usb/net/rtl8150.c | 1004 |
1 files changed, 0 insertions, 1004 deletions
diff --git a/drivers/usb/net/rtl8150.c b/drivers/usb/net/rtl8150.c deleted file mode 100644 index fa598f0340c..00000000000 --- a/drivers/usb/net/rtl8150.c +++ /dev/null @@ -1,1004 +0,0 @@ -/* - * Copyright (c) 2002 Petko Manolov (petkan@users.sourceforge.net) - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * version 2 as published by the Free Software Foundation. - */ - -#include <linux/init.h> -#include <linux/signal.h> -#include <linux/slab.h> -#include <linux/module.h> -#include <linux/netdevice.h> -#include <linux/etherdevice.h> -#include <linux/mii.h> -#include <linux/ethtool.h> -#include <linux/usb.h> -#include <asm/uaccess.h> - -/* Version Information */ -#define DRIVER_VERSION "v0.6.2 (2004/08/27)" -#define DRIVER_AUTHOR "Petko Manolov <petkan@users.sourceforge.net>" -#define DRIVER_DESC "rtl8150 based usb-ethernet driver" - -#define IDR 0x0120 -#define MAR 0x0126 -#define CR 0x012e -#define TCR 0x012f -#define RCR 0x0130 -#define TSR 0x0132 -#define RSR 0x0133 -#define CON0 0x0135 -#define CON1 0x0136 -#define MSR 0x0137 -#define PHYADD 0x0138 -#define PHYDAT 0x0139 -#define PHYCNT 0x013b -#define GPPC 0x013d -#define BMCR 0x0140 -#define BMSR 0x0142 -#define ANAR 0x0144 -#define ANLP 0x0146 -#define AER 0x0148 -#define CSCR 0x014C /* This one has the link status */ -#define CSCR_LINK_STATUS (1 << 3) - -#define IDR_EEPROM 0x1202 - -#define PHY_READ 0 -#define PHY_WRITE 0x20 -#define PHY_GO 0x40 - -#define MII_TIMEOUT 10 -#define INTBUFSIZE 8 - -#define RTL8150_REQT_READ 0xc0 -#define RTL8150_REQT_WRITE 0x40 -#define RTL8150_REQ_GET_REGS 0x05 -#define RTL8150_REQ_SET_REGS 0x05 - - -/* Transmit status register errors */ -#define TSR_ECOL (1<<5) -#define TSR_LCOL (1<<4) -#define TSR_LOSS_CRS (1<<3) -#define TSR_JBR (1<<2) -#define TSR_ERRORS (TSR_ECOL | TSR_LCOL | TSR_LOSS_CRS | TSR_JBR) -/* Receive status register errors */ -#define RSR_CRC (1<<2) -#define RSR_FAE (1<<1) -#define RSR_ERRORS (RSR_CRC | RSR_FAE) - -/* Media status register definitions */ -#define MSR_DUPLEX (1<<4) -#define MSR_SPEED (1<<3) -#define MSR_LINK (1<<2) - -/* Interrupt pipe data */ -#define INT_TSR 0x00 -#define INT_RSR 0x01 -#define INT_MSR 0x02 -#define INT_WAKSR 0x03 -#define INT_TXOK_CNT 0x04 -#define INT_RXLOST_CNT 0x05 -#define INT_CRERR_CNT 0x06 -#define INT_COL_CNT 0x07 - -/* Transmit status register errors */ -#define TSR_ECOL (1<<5) -#define TSR_LCOL (1<<4) -#define TSR_LOSS_CRS (1<<3) -#define TSR_JBR (1<<2) -#define TSR_ERRORS (TSR_ECOL | TSR_LCOL | TSR_LOSS_CRS | TSR_JBR) -/* Receive status register errors */ -#define RSR_CRC (1<<2) -#define RSR_FAE (1<<1) -#define RSR_ERRORS (RSR_CRC | RSR_FAE) - -/* Media status register definitions */ -#define MSR_DUPLEX (1<<4) -#define MSR_SPEED (1<<3) -#define MSR_LINK (1<<2) - -/* Interrupt pipe data */ -#define INT_TSR 0x00 -#define INT_RSR 0x01 -#define INT_MSR 0x02 -#define INT_WAKSR 0x03 -#define INT_TXOK_CNT 0x04 -#define INT_RXLOST_CNT 0x05 -#define INT_CRERR_CNT 0x06 -#define INT_COL_CNT 0x07 - - -#define RTL8150_MTU 1540 -#define RTL8150_TX_TIMEOUT (HZ) -#define RX_SKB_POOL_SIZE 4 - -/* rtl8150 flags */ -#define RTL8150_HW_CRC 0 -#define RX_REG_SET 1 -#define RTL8150_UNPLUG 2 -#define RX_URB_FAIL 3 - -/* Define these values to match your device */ -#define VENDOR_ID_REALTEK 0x0bda -#define VENDOR_ID_MELCO 0x0411 -#define VENDOR_ID_MICRONET 0x3980 -#define VENDOR_ID_LONGSHINE 0x07b8 -#define VENDOR_ID_OQO 0x1557 -#define VENDOR_ID_ZYXEL 0x0586 - -#define PRODUCT_ID_RTL8150 0x8150 -#define PRODUCT_ID_LUAKTX 0x0012 -#define PRODUCT_ID_LCS8138TX 0x401a -#define PRODUCT_ID_SP128AR 0x0003 -#define PRODUCT_ID_PRESTIGE 0x401a - -#undef EEPROM_WRITE - -/* table of devices that work with this driver */ -static struct usb_device_id rtl8150_table[] = { - {USB_DEVICE(VENDOR_ID_REALTEK, PRODUCT_ID_RTL8150)}, - {USB_DEVICE(VENDOR_ID_MELCO, PRODUCT_ID_LUAKTX)}, - {USB_DEVICE(VENDOR_ID_MICRONET, PRODUCT_ID_SP128AR)}, - {USB_DEVICE(VENDOR_ID_LONGSHINE, PRODUCT_ID_LCS8138TX)}, - {USB_DEVICE(VENDOR_ID_OQO, PRODUCT_ID_RTL8150)}, - {USB_DEVICE(VENDOR_ID_ZYXEL, PRODUCT_ID_PRESTIGE)}, - {} -}; - -MODULE_DEVICE_TABLE(usb, rtl8150_table); - -struct rtl8150 { - unsigned long flags; - struct usb_device *udev; - struct tasklet_struct tl; - struct net_device_stats stats; - struct net_device *netdev; - struct urb *rx_urb, *tx_urb, *intr_urb, *ctrl_urb; - struct sk_buff *tx_skb, *rx_skb; - struct sk_buff *rx_skb_pool[RX_SKB_POOL_SIZE]; - spinlock_t rx_pool_lock; - struct usb_ctrlrequest dr; - int intr_interval; - __le16 rx_creg; - u8 *intr_buff; - u8 phy; -}; - -typedef struct rtl8150 rtl8150_t; - -static void fill_skb_pool(rtl8150_t *); -static void free_skb_pool(rtl8150_t *); -static inline struct sk_buff *pull_skb(rtl8150_t *); -static void rtl8150_disconnect(struct usb_interface *intf); -static int rtl8150_probe(struct usb_interface *intf, - const struct usb_device_id *id); -static int rtl8150_suspend(struct usb_interface *intf, pm_message_t message); -static int rtl8150_resume(struct usb_interface *intf); - -static const char driver_name [] = "rtl8150"; - -static struct usb_driver rtl8150_driver = { - .name = driver_name, - .probe = rtl8150_probe, - .disconnect = rtl8150_disconnect, - .id_table = rtl8150_table, - .suspend = rtl8150_suspend, - .resume = rtl8150_resume -}; - -/* -** -** device related part of the code -** -*/ -static int get_registers(rtl8150_t * dev, u16 indx, u16 size, void *data) -{ - return usb_control_msg(dev->udev, usb_rcvctrlpipe(dev->udev, 0), - RTL8150_REQ_GET_REGS, RTL8150_REQT_READ, - indx, 0, data, size, 500); -} - -static int set_registers(rtl8150_t * dev, u16 indx, u16 size, void *data) -{ - return usb_control_msg(dev->udev, usb_sndctrlpipe(dev->udev, 0), - RTL8150_REQ_SET_REGS, RTL8150_REQT_WRITE, - indx, 0, data, size, 500); -} - -static void ctrl_callback(struct urb *urb) -{ - rtl8150_t *dev; - - switch (urb->status) { - case 0: - break; - case -EINPROGRESS: - break; - case -ENOENT: - break; - default: - warn("ctrl urb status %d", urb->status); - } - dev = urb->context; - clear_bit(RX_REG_SET, &dev->flags); -} - -static int async_set_registers(rtl8150_t * dev, u16 indx, u16 size) -{ - int ret; - - if (test_bit(RX_REG_SET, &dev->flags)) - return -EAGAIN; - - dev->dr.bRequestType = RTL8150_REQT_WRITE; - dev->dr.bRequest = RTL8150_REQ_SET_REGS; - dev->dr.wValue = cpu_to_le16(indx); - dev->dr.wIndex = 0; - dev->dr.wLength = cpu_to_le16(size); - dev->ctrl_urb->transfer_buffer_length = size; - usb_fill_control_urb(dev->ctrl_urb, dev->udev, - usb_sndctrlpipe(dev->udev, 0), (char *) &dev->dr, - &dev->rx_creg, size, ctrl_callback, dev); - if ((ret = usb_submit_urb(dev->ctrl_urb, GFP_ATOMIC))) { - if (ret == -ENODEV) - netif_device_detach(dev->netdev); - err("control request submission failed: %d", ret); - } else - set_bit(RX_REG_SET, &dev->flags); - - return ret; -} - -static int read_mii_word(rtl8150_t * dev, u8 phy, __u8 indx, u16 * reg) -{ - int i; - u8 data[3], tmp; - - data[0] = phy; - data[1] = data[2] = 0; - tmp = indx | PHY_READ | PHY_GO; - i = 0; - - set_registers(dev, PHYADD, sizeof(data), data); - set_registers(dev, PHYCNT, 1, &tmp); - do { - get_registers(dev, PHYCNT, 1, data); - } while ((data[0] & PHY_GO) && (i++ < MII_TIMEOUT)); - - if (i < MII_TIMEOUT) { - get_registers(dev, PHYDAT, 2, data); - *reg = data[0] | (data[1] << 8); - return 0; - } else - return 1; -} - -static int write_mii_word(rtl8150_t * dev, u8 phy, __u8 indx, u16 reg) -{ - int i; - u8 data[3], tmp; - - data[0] = phy; - data[1] = reg & 0xff; - data[2] = (reg >> 8) & 0xff; - tmp = indx | PHY_WRITE | PHY_GO; - i = 0; - - set_registers(dev, PHYADD, sizeof(data), data); - set_registers(dev, PHYCNT, 1, &tmp); - do { - get_registers(dev, PHYCNT, 1, data); - } while ((data[0] & PHY_GO) && (i++ < MII_TIMEOUT)); - - if (i < MII_TIMEOUT) - return 0; - else - return 1; -} - -static inline void set_ethernet_addr(rtl8150_t * dev) -{ - u8 node_id[6]; - - get_registers(dev, IDR, sizeof(node_id), node_id); - memcpy(dev->netdev->dev_addr, node_id, sizeof(node_id)); -} - -static int rtl8150_set_mac_address(struct net_device *netdev, void *p) -{ - struct sockaddr *addr = p; - rtl8150_t *dev = netdev_priv(netdev); - int i; - - if (netif_running(netdev)) - return -EBUSY; - - memcpy(netdev->dev_addr, addr->sa_data, netdev->addr_len); - dbg("%s: Setting MAC address to ", netdev->name); - for (i = 0; i < 5; i++) - dbg("%02X:", netdev->dev_addr[i]); - dbg("%02X\n", netdev->dev_addr[i]); - /* Set the IDR registers. */ - set_registers(dev, IDR, sizeof(netdev->dev_addr), netdev->dev_addr); -#ifdef EEPROM_WRITE - { - u8 cr; - /* Get the CR contents. */ - get_registers(dev, CR, 1, &cr); - /* Set the WEPROM bit (eeprom write enable). */ - cr |= 0x20; - set_registers(dev, CR, 1, &cr); - /* Write the MAC address into eeprom. Eeprom writes must be word-sized, - so we need to split them up. */ - for (i = 0; i * 2 < netdev->addr_len; i++) { - set_registers(dev, IDR_EEPROM + (i * 2), 2, - netdev->dev_addr + (i * 2)); - } - /* Clear the WEPROM bit (preventing accidental eeprom writes). */ - cr &= 0xdf; - set_registers(dev, CR, 1, &cr); - } -#endif - return 0; -} - -static int rtl8150_reset(rtl8150_t * dev) -{ - u8 data = 0x10; - int i = HZ; - - set_registers(dev, CR, 1, &data); - do { - get_registers(dev, CR, 1, &data); - } while ((data & 0x10) && --i); - - return (i > 0) ? 1 : 0; -} - -static int alloc_all_urbs(rtl8150_t * dev) -{ - dev->rx_urb = usb_alloc_urb(0, GFP_KERNEL); - if (!dev->rx_urb) - return 0; - dev->tx_urb = usb_alloc_urb(0, GFP_KERNEL); - if (!dev->tx_urb) { - usb_free_urb(dev->rx_urb); - return 0; - } - dev->intr_urb = usb_alloc_urb(0, GFP_KERNEL); - if (!dev->intr_urb) { - usb_free_urb(dev->rx_urb); - usb_free_urb(dev->tx_urb); - return 0; - } - dev->ctrl_urb = usb_alloc_urb(0, GFP_KERNEL); - if (!dev->intr_urb) { - usb_free_urb(dev->rx_urb); - usb_free_urb(dev->tx_urb); - usb_free_urb(dev->intr_urb); - return 0; - } - - return 1; -} - -static void free_all_urbs(rtl8150_t * dev) -{ - usb_free_urb(dev->rx_urb); - usb_free_urb(dev->tx_urb); - usb_free_urb(dev->intr_urb); - usb_free_urb(dev->ctrl_urb); -} - -static void unlink_all_urbs(rtl8150_t * dev) -{ - usb_kill_urb(dev->rx_urb); - usb_kill_urb(dev->tx_urb); - usb_kill_urb(dev->intr_urb); - usb_kill_urb(dev->ctrl_urb); -} - -static inline struct sk_buff *pull_skb(rtl8150_t *dev) -{ - struct sk_buff *skb; - int i; - - for (i = 0; i < RX_SKB_POOL_SIZE; i++) { - if (dev->rx_skb_pool[i]) { - skb = dev->rx_skb_pool[i]; - dev->rx_skb_pool[i] = NULL; - return skb; - } - } - return NULL; -} - -static void read_bulk_callback(struct urb *urb) -{ - rtl8150_t *dev; - unsigned pkt_len, res; - struct sk_buff *skb; - struct net_device *netdev; - u16 rx_stat; - int status; - - dev = urb->context; - if (!dev) - return; - if (test_bit(RTL8150_UNPLUG, &dev->flags)) - return; - netdev = dev->netdev; - if (!netif_device_present(netdev)) - return; - - switch (urb->status) { - case 0: - break; - case -ENOENT: - return; /* the urb is in unlink state */ - case -ETIME: - warn("may be reset is needed?.."); - goto goon; - default: - warn("Rx status %d", urb->status); - goto goon; - } - - if (!dev->rx_skb) - goto resched; - /* protect against short packets (tell me why we got some?!?) */ - if (urb->actual_length < 4) - goto goon; - - res = urb->actual_length; - rx_stat = le16_to_cpu(*(__le16 *)(urb->transfer_buffer + res - 4)); - pkt_len = res - 4; - - skb_put(dev->rx_skb, pkt_len); - dev->rx_skb->protocol = eth_type_trans(dev->rx_skb, netdev); - netif_rx(dev->rx_skb); - dev->stats.rx_packets++; - dev->stats.rx_bytes += pkt_len; - - spin_lock(&dev->rx_pool_lock); - skb = pull_skb(dev); - spin_unlock(&dev->rx_pool_lock); - if (!skb) - goto resched; - - dev->rx_skb = skb; -goon: - usb_fill_bulk_urb(dev->rx_urb, dev->udev, usb_rcvbulkpipe(dev->udev, 1), - dev->rx_skb->data, RTL8150_MTU, read_bulk_callback, dev); - status = usb_submit_urb(dev->rx_urb, GFP_ATOMIC); - if (status == -ENODEV) - netif_device_detach(dev->netdev); - else if (status) { - set_bit(RX_URB_FAIL, &dev->flags); - goto resched; - } else { - clear_bit(RX_URB_FAIL, &dev->flags); - } - - return; -resched: - tasklet_schedule(&dev->tl); -} - -static void rx_fixup(unsigned long data) -{ - rtl8150_t *dev; - struct sk_buff *skb; - int status; - - dev = (rtl8150_t *)data; - - spin_lock_irq(&dev->rx_pool_lock); - fill_skb_pool(dev); - spin_unlock_irq(&dev->rx_pool_lock); - if (test_bit(RX_URB_FAIL, &dev->flags)) - if (dev->rx_skb) - goto try_again; - spin_lock_irq(&dev->rx_pool_lock); - skb = pull_skb(dev); - spin_unlock_irq(&dev->rx_pool_lock); - if (skb == NULL) - goto tlsched; - dev->rx_skb = skb; - usb_fill_bulk_urb(dev->rx_urb, dev->udev, usb_rcvbulkpipe(dev->udev, 1), - dev->rx_skb->data, RTL8150_MTU, read_bulk_callback, dev); -try_again: - status = usb_submit_urb(dev->rx_urb, GFP_ATOMIC); - if (status == -ENODEV) { - netif_device_detach(dev->netdev); - } else if (status) { - set_bit(RX_URB_FAIL, &dev->flags); - goto tlsched; - } else { - clear_bit(RX_URB_FAIL, &dev->flags); - } - - return; -tlsched: - tasklet_schedule(&dev->tl); -} - -static void write_bulk_callback(struct urb *urb) -{ - rtl8150_t *dev; - - dev = urb->context; - if (!dev) - return; - dev_kfree_skb_irq(dev->tx_skb); - if (!netif_device_present(dev->netdev)) - return; - if (urb->status) - info("%s: Tx status %d", dev->netdev->name, urb->status); - dev->netdev->trans_start = jiffies; - netif_wake_queue(dev->netdev); -} - -static void intr_callback(struct urb *urb) -{ - rtl8150_t *dev; - __u8 *d; - int status; - - dev = urb->context; - if (!dev) - return; - switch (urb->status) { - case 0: /* success */ - break; - case -ECONNRESET: /* unlink */ - case -ENOENT: - case -ESHUTDOWN: - return; - /* -EPIPE: should clear the halt */ - default: - info("%s: intr status %d", dev->netdev->name, urb->status); - goto resubmit; - } - - d = urb->transfer_buffer; - if (d[0] & TSR_ERRORS) { - dev->stats.tx_errors++; - if (d[INT_TSR] & (TSR_ECOL | TSR_JBR)) - dev->stats.tx_aborted_errors++; - if (d[INT_TSR] & TSR_LCOL) - dev->stats.tx_window_errors++; - if (d[INT_TSR] & TSR_LOSS_CRS) - dev->stats.tx_carrier_errors++; - } - /* Report link status changes to the network stack */ - if ((d[INT_MSR] & MSR_LINK) == 0) { - if (netif_carrier_ok(dev->netdev)) { - netif_carrier_off(dev->netdev); - dbg("%s: LINK LOST\n", __func__); - } - } else { - if (!netif_carrier_ok(dev->netdev)) { - netif_carrier_on(dev->netdev); - dbg("%s: LINK CAME BACK\n", __func__); - } - } - -resubmit: - status = usb_submit_urb (urb, GFP_ATOMIC); - if (status == -ENODEV) - netif_device_detach(dev->netdev); - else if (status) - err ("can't resubmit intr, %s-%s/input0, status %d", - dev->udev->bus->bus_name, - dev->udev->devpath, status); -} - -static int rtl8150_suspend(struct usb_interface *intf, pm_message_t message) -{ - rtl8150_t *dev = usb_get_intfdata(intf); - - netif_device_detach(dev->netdev); - - if (netif_running(dev->netdev)) { - usb_kill_urb(dev->rx_urb); - usb_kill_urb(dev->intr_urb); - } - return 0; -} - -static int rtl8150_resume(struct usb_interface *intf) -{ - rtl8150_t *dev = usb_get_intfdata(intf); - - netif_device_attach(dev->netdev); - if (netif_running(dev->netdev)) { - dev->rx_urb->status = 0; - dev->rx_urb->actual_length = 0; - read_bulk_callback(dev->rx_urb); - - dev->intr_urb->status = 0; - dev->intr_urb->actual_length = 0; - intr_callback(dev->intr_urb); - } - return 0; -} - -/* -** -** network related part of the code -** -*/ - -static void fill_skb_pool(rtl8150_t *dev) -{ - struct sk_buff *skb; - int i; - - for (i = 0; i < RX_SKB_POOL_SIZE; i++) { - if (dev->rx_skb_pool[i]) - continue; - skb = dev_alloc_skb(RTL8150_MTU + 2); - if (!skb) { - return; - } - skb_reserve(skb, 2); - dev->rx_skb_pool[i] = skb; - } -} - -static void free_skb_pool(rtl8150_t *dev) -{ - int i; - - for (i = 0; i < RX_SKB_POOL_SIZE; i++) - if (dev->rx_skb_pool[i]) - dev_kfree_skb(dev->rx_skb_pool[i]); -} - -static int enable_net_traffic(rtl8150_t * dev) -{ - u8 cr, tcr, rcr, msr; - - if (!rtl8150_reset(dev)) { - warn("%s - device reset failed", __FUNCTION__); - } - /* RCR bit7=1 attach Rx info at the end; =0 HW CRC (which is broken) */ - rcr = 0x9e; - dev->rx_creg = cpu_to_le16(rcr); - tcr = 0xd8; - cr = 0x0c; - if (!(rcr & 0x80)) - set_bit(RTL8150_HW_CRC, &dev->flags); - set_registers(dev, RCR, 1, &rcr); - set_registers(dev, TCR, 1, &tcr); - set_registers(dev, CR, 1, &cr); - get_registers(dev, MSR, 1, &msr); - - return 0; -} - -static void disable_net_traffic(rtl8150_t * dev) -{ - u8 cr; - - get_registers(dev, CR, 1, &cr); - cr &= 0xf3; - set_registers(dev, CR, 1, &cr); -} - -static struct net_device_stats *rtl8150_netdev_stats(struct net_device *dev) -{ - return &((rtl8150_t *)netdev_priv(dev))->stats; -} - -static void rtl8150_tx_timeout(struct net_device *netdev) -{ - rtl8150_t *dev = netdev_priv(netdev); - warn("%s: Tx timeout.", netdev->name); - usb_unlink_urb(dev->tx_urb); - dev->stats.tx_errors++; -} - -static void rtl8150_set_multicast(struct net_device *netdev) -{ - rtl8150_t *dev = netdev_priv(netdev); - netif_stop_queue(netdev); - if (netdev->flags & IFF_PROMISC) { - dev->rx_creg |= cpu_to_le16(0x0001); - info("%s: promiscuous mode", netdev->name); - } else if (netdev->mc_count || - (netdev->flags & IFF_ALLMULTI)) { - dev->rx_creg &= cpu_to_le16(0xfffe); - dev->rx_creg |= cpu_to_le16(0x0002); - info("%s: allmulti set", netdev->name); - } else { - /* ~RX_MULTICAST, ~RX_PROMISCUOUS */ - dev->rx_creg &= cpu_to_le16(0x00fc); - } - async_set_registers(dev, RCR, 2); - netif_wake_queue(netdev); -} - -static int rtl8150_start_xmit(struct sk_buff *skb, struct net_device *netdev) -{ - rtl8150_t *dev = netdev_priv(netdev); - int count, res; - - netif_stop_queue(netdev); - count = (skb->len < 60) ? 60 : skb->len; - count = (count & 0x3f) ? count : count + 1; - dev->tx_skb = skb; - usb_fill_bulk_urb(dev->tx_urb, dev->udev, usb_sndbulkpipe(dev->udev, 2), - skb->data, count, write_bulk_callback, dev); - if ((res = usb_submit_urb(dev->tx_urb, GFP_ATOMIC))) { - /* Can we get/handle EPIPE here? */ - if (res == -ENODEV) - netif_device_detach(dev->netdev); - else { - warn("failed tx_urb %d\n", res); - dev->stats.tx_errors++; - netif_start_queue(netdev); - } - } else { - dev->stats.tx_packets++; - dev->stats.tx_bytes += skb->len; - netdev->trans_start = jiffies; - } - - return 0; -} - - -static void set_carrier(struct net_device *netdev) -{ - rtl8150_t *dev = netdev_priv(netdev); - short tmp; - - get_registers(dev, CSCR, 2, &tmp); - if (tmp & CSCR_LINK_STATUS) - netif_carrier_on(netdev); - else - netif_carrier_off(netdev); -} - -static int rtl8150_open(struct net_device *netdev) -{ - rtl8150_t *dev = netdev_priv(netdev); - int res; - - if (dev->rx_skb == NULL) - dev->rx_skb = pull_skb(dev); - if (!dev->rx_skb) - return -ENOMEM; - - set_registers(dev, IDR, 6, netdev->dev_addr); - - usb_fill_bulk_urb(dev->rx_urb, dev->udev, usb_rcvbulkpipe(dev->udev, 1), - dev->rx_skb->data, RTL8150_MTU, read_bulk_callback, dev); - if ((res = usb_submit_urb(dev->rx_urb, GFP_KERNEL))) { - if (res == -ENODEV) - netif_device_detach(dev->netdev); - warn("%s: rx_urb submit failed: %d", __FUNCTION__, res); - return res; - } - usb_fill_int_urb(dev->intr_urb, dev->udev, usb_rcvintpipe(dev->udev, 3), - dev->intr_buff, INTBUFSIZE, intr_callback, - dev, dev->intr_interval); - if ((res = usb_submit_urb(dev->intr_urb, GFP_KERNEL))) { - if (res == -ENODEV) - netif_device_detach(dev->netdev); - warn("%s: intr_urb submit failed: %d", __FUNCTION__, res); - usb_kill_urb(dev->rx_urb); - return res; - } - enable_net_traffic(dev); - set_carrier(netdev); - netif_start_queue(netdev); - - return res; -} - -static int rtl8150_close(struct net_device *netdev) -{ - rtl8150_t *dev = netdev_priv(netdev); - int res = 0; - - netif_stop_queue(netdev); - if (!test_bit(RTL8150_UNPLUG, &dev->flags)) - disable_net_traffic(dev); - unlink_all_urbs(dev); - - return res; -} - -static void rtl8150_get_drvinfo(struct net_device *netdev, struct ethtool_drvinfo *info) -{ - rtl8150_t *dev = netdev_priv(netdev); - - strncpy(info->driver, driver_name, ETHTOOL_BUSINFO_LEN); - strncpy(info->version, DRIVER_VERSION, ETHTOOL_BUSINFO_LEN); - usb_make_path(dev->udev, info->bus_info, sizeof info->bus_info); -} - -static int rtl8150_get_settings(struct net_device *netdev, struct ethtool_cmd *ecmd) -{ - rtl8150_t *dev = netdev_priv(netdev); - short lpa, bmcr; - - ecmd->supported = (SUPPORTED_10baseT_Half | - SUPPORTED_10baseT_Full | - SUPPORTED_100baseT_Half | - SUPPORTED_100baseT_Full | - SUPPORTED_Autoneg | - SUPPORTED_TP | SUPPORTED_MII); - ecmd->port = PORT_TP; - ecmd->transceiver = XCVR_INTERNAL; - ecmd->phy_address = dev->phy; - get_registers(dev, BMCR, 2, &bmcr); - get_registers(dev, ANLP, 2, &lpa); - if (bmcr & BMCR_ANENABLE) { - ecmd->autoneg = AUTONEG_ENABLE; - ecmd->speed = (lpa & (LPA_100HALF | LPA_100FULL)) ? - SPEED_100 : SPEED_10; - if (ecmd->speed == SPEED_100) - ecmd->duplex = (lpa & LPA_100FULL) ? - DUPLEX_FULL : DUPLEX_HALF; - else - ecmd->duplex = (lpa & LPA_10FULL) ? - DUPLEX_FULL : DUPLEX_HALF; - } else { - ecmd->autoneg = AUTONEG_DISABLE; - ecmd->speed = (bmcr & BMCR_SPEED100) ? - SPEED_100 : SPEED_10; - ecmd->duplex = (bmcr & BMCR_FULLDPLX) ? - DUPLEX_FULL : DUPLEX_HALF; - } - return 0; -} - -static struct ethtool_ops ops = { - .get_drvinfo = rtl8150_get_drvinfo, - .get_settings = rtl8150_get_settings, - .get_link = ethtool_op_get_link -}; - -static int rtl8150_ioctl(struct net_device *netdev, struct ifreq *rq, int cmd) -{ - rtl8150_t *dev = netdev_priv(netdev); - u16 *data = (u16 *) & rq->ifr_ifru; - int res = 0; - - switch (cmd) { - case SIOCDEVPRIVATE: - data[0] = dev->phy; - case SIOCDEVPRIVATE + 1: - read_mii_word(dev, dev->phy, (data[1] & 0x1f), &data[3]); - break; - case SIOCDEVPRIVATE + 2: - if (!capable(CAP_NET_ADMIN)) - return -EPERM; - write_mii_word(dev, dev->phy, (data[1] & 0x1f), data[2]); - break; - default: - res = -EOPNOTSUPP; - } - - return res; -} - -static int rtl8150_probe(struct usb_interface *intf, - const struct usb_device_id *id) -{ - struct usb_device *udev = interface_to_usbdev(intf); - rtl8150_t *dev; - struct net_device *netdev; - - netdev = alloc_etherdev(sizeof(rtl8150_t)); - if (!netdev) { - err("Out of memory"); - return -ENOMEM; - } - - dev = netdev_priv(netdev); - memset(dev, 0, sizeof(rtl8150_t)); - - dev->intr_buff = kmalloc(INTBUFSIZE, GFP_KERNEL); - if (!dev->intr_buff) { - free_netdev(netdev); - return -ENOMEM; - } - - tasklet_init(&dev->tl, rx_fixup, (unsigned long)dev); - spin_lock_init(&dev->rx_pool_lock); - - dev->udev = udev; - dev->netdev = netdev; - SET_MODULE_OWNER(netdev); - netdev->open = rtl8150_open; - netdev->stop = rtl8150_close; - netdev->do_ioctl = rtl8150_ioctl; - netdev->watchdog_timeo = RTL8150_TX_TIMEOUT; - netdev->tx_timeout = rtl8150_tx_timeout; - netdev->hard_start_xmit = rtl8150_start_xmit; - netdev->set_multicast_list = rtl8150_set_multicast; - netdev->set_mac_address = rtl8150_set_mac_address; - netdev->get_stats = rtl8150_netdev_stats; - netdev->mtu = RTL8150_MTU; - SET_ETHTOOL_OPS(netdev, &ops); - dev->intr_interval = 100; /* 100ms */ - - if (!alloc_all_urbs(dev)) { - err("out of memory"); - goto out; - } - if (!rtl8150_reset(dev)) { - err("couldn't reset the device"); - goto out1; - } - fill_skb_pool(dev); - set_ethernet_addr(dev); - - usb_set_intfdata(intf, dev); - SET_NETDEV_DEV(netdev, &intf->dev); - if (register_netdev(netdev) != 0) { - err("couldn't register the device"); - goto out2; - } - - info("%s: rtl8150 is detected", netdev->name); - - return 0; - -out2: - usb_set_intfdata(intf, NULL); - free_skb_pool(dev); -out1: - free_all_urbs(dev); -out: - kfree(dev->intr_buff); - free_netdev(netdev); - return -EIO; -} - -static void rtl8150_disconnect(struct usb_interface *intf) -{ - rtl8150_t *dev = usb_get_intfdata(intf); - - usb_set_intfdata(intf, NULL); - if (dev) { - set_bit(RTL8150_UNPLUG, &dev->flags); - tasklet_disable(&dev->tl); - tasklet_kill(&dev->tl); - unregister_netdev(dev->netdev); - unlink_all_urbs(dev); - free_all_urbs(dev); - free_skb_pool(dev); - if (dev->rx_skb) - dev_kfree_skb(dev->rx_skb); - kfree(dev->intr_buff); - free_netdev(dev->netdev); - } -} - -static int __init usb_rtl8150_init(void) -{ - info(DRIVER_DESC " " DRIVER_VERSION); - return usb_register(&rtl8150_driver); -} - -static void __exit usb_rtl8150_exit(void) -{ - usb_deregister(&rtl8150_driver); -} - -module_init(usb_rtl8150_init); -module_exit(usb_rtl8150_exit); - -MODULE_AUTHOR(DRIVER_AUTHOR); -MODULE_DESCRIPTION(DRIVER_DESC); -MODULE_LICENSE("GPL"); |